Compare and contrast positive climate-feedback mechanisms and negative climate-feedback mechanisms
What will be an ideal response?
Answer: A positive mechanism will amplify the initial effect on the climate whereas a negative mechanism will reduce the initial effect.
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In a terrestrial food web, which of the following categories of organisms will have the highest total energy content and biomass?
A) Primary producers B) Carnivores C) Consumers D) Herbivores
With the Sun and Moon in this position, what does the side of the Earth facing the moon experience?
A. a neap tide B. a spring tide C. a normal low tide D. a normal high tide
The heat that transformed Earth early in its history came primarily from all but which of the following?
A. the decay of radioactive elements B. impact energy C. dark energy D. gravitational energy
A proton is a positively charged particle in the nucleus of an atom
a. True b. False